At reservoir conditions of 3000 psia and 150F a certain mass of natural gas has a volume of 2.62 ft 3 . At standard conditions (14.

At reservoir conditions of 3000 psia and 150°F a certain mass of natural gas has a volume of 2.62 ft3. At standard conditions (14.7 psia and 60°F) the same mass of gas is found to have a volume of 500 ft3. Calculate the compressibility factor for the gas at reservoir conditions.

Z factor - I'm using standing Katz for Z factors